Renault 681S
The Renault 681S is a tractor produced by Renault. It is equipped with a 230 ci 3.8 L engine. The listed engine power is Diesel (listed): 68 hp / 50.7 kW. Transmission: 12 forward and reverse. Operating weight: 5765 to 7926 pounds.
Engine Power
Diesel (listed): 68 hp / 50.7 kW
Fuel & Capacities
21.7 gal
82.1 L
Transmission
12 forward and reverse
Operating Weight
5765 to 7926 pounds
Overview
 | 1980 - 1986
S SeriesUtility tractor
S Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Renault |
Utility tractor | |
Renault 681S Engine | |
|---|---|
MWM 3.8L 4-cyl diesel | |
Fuel tank | 21.7 gal
82.1 L |
Engine details ...  | |
Renault 681S Transmission | |
|---|---|
12-speed mechanical shuttle | |
Transmission details ...  |
Renault 681S Power | |
|---|---|
Engine | 68 hp
50.7 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Dry disc brakes | |
ROPS. Cab optional. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2611 psi
180.0 bar |
Total flow | 8.0 gpm
30.3 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Rear lift | 8489 lbs
3850 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 551@2350 |
642@2350 (540/1000) | |
1099@2350 | |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 93.3 inches
236 cm |
4WD Wheelbase | 94.9 inches
241 cm |
Weight | 5765 to 7926 pounds |
Front tire | 7.50-18 |
2WD Rear tire | 16.9-30 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 35 |
Battery volts | 12 |
Battery AH | 80 |
References | |
|---|---|
 | |
Renault Serie S |
Engine
Engine Detail — 230 ci / 3.8 L Diesel
Manufacturer | MWM D227-4 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 230 ci
3.8 L |
Bore/Stroke | 3.875x4.724 inches
98 x 120 mm |
Power | 68 hp
50.7 kW |
Compression | 17.8:1 |
Rated RPM | 2350 |
Torque | 169.6 lb-ft
230.0 Nm |
Torque RPM | 1500 |
Starter volts | 12 |
Transmission
Transmission — 12 forward and reverse mechanical shuttle
Type | mechanical shuttle |
Gears | 12 forward and reverse |
Clutch | dry disc |
Four gears in three ranges with shuttle. | |
With 16.9-30 rear tires. Reverse speeds are 3% slower than forward. | |
 | |
Dimensions
Renault 681S Tires | |
|---|---|
2WD Standard tires (ag) | Front: 7.50-18. Rear: 16.9-30 |
4WD Standard tires (ag) | Front: 11.2-24. Rear: 16.9-30 |
4WD Optional tires (ag) | Front: 9.5-28. Rear: 13.6-36 |
4WD Optional tires (ag) | Front: 11.2-28. Rear: 13.6-36 |
4WD Optional tires (ag) | Front: 13.6-24. Rear: 16.9-34 |
4WD Optional tires (ag) | Front: 11.2-28. Rear: 13.6-38 |
Dimensions | |
|---|---|
2WD Wheelbase | 93.3 inches
236 cm |
4WD Wheelbase | 94.9 inches
241 cm |
2WD Length | 150 inches
381 cm |
4WD Length | 156.3 inches
397 cm |
Width | 64.6 inches*Minimum width.
164 cm |
Height (steering wheel) | 64.2 inches
163 cm |
Height (cab) | 96.1 inches
244 cm |
2WD Front tread | 51.2 to 74.8 inches
130 to 189 cm |
4WD Front tread | 53.2 to 74.8 inches
135 to 189 cm |
Rear tread | 51.2 to 78.8 inches
130 to 200 cm |
Renault 681S Weight | |
|---|---|
2WD ROPS | 5765 lbs
2615 kg |
2WD Cab | 6504 lbs
2950 kg |
4WD ROPS | 7187 lbs
3260 kg |
4WD Cab | 7926 lbs
3595 kg |
Photos
Renault 681S tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Renault 681S based on its 68 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Renault 681S.
Estimated Continuous Field Runtime: 6.1 hrs
Approximately 6.1 hours of continuous field operation at ~75% rated power on a full tank (21.7 gal / 82.1 L).
Estimated 75% Load Fuel Burn~3.5 gal/hr (13.4 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Renault 681S Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Renault 681S.
Converted Equivalents:
Horsepower (HP)68 hp
Kilowatts (kW)50.7 kW
Metric Horsepower (PS / CV)68.9 PS
Direct Competitor Comparison
Compare Renault 681S against same-era industry alternatives in the same horsepower class.
Current Model
Renault
Renault 681S
Engine Power:Diesel (listed): 68 hp / 50.7 kW
★ Baseline Reference
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